2006 Lexus IS250 Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNER'S MANUAL (OM53508U)

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 47
1
Before driving
1-5. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap. 
■Before refueling the vehicle
Turn the engine switch OFF and e nsure that all the

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 48
1-5. Refueling
Closing the fuel tank capWhen replacing the fuel tank cap,
turn it until a clicking sound is
heard.
■Fuel types
Use unleaded gasoline. (91 Octane rating [Research Octane Number 96]

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 49
1-5. Refueling
1
Before driving
CAUTION
■Refueling the vehicle
Observe the following precautions while refueling the vehicle. Failure to do so, may
result in death or serious injury.
●Touch the

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 50
1-6. Anti-theft system
Engine immobilizer system
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object
●If the key is in cl

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 51
1-6. Anti-theft system
1
Before driving
CAUTION
Changes or modifications not expressly approved by the party responsible for com-
pliance could void the user’s authority to operate the equipment.

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 52
1-6. Anti-theft system
Alarm
Deactivating or stopping the alarmDo one of the following:
● Unlock the doors or trunk using th e entry function or the wireless
remote door lock function.
● Start

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 53
1-6. Anti-theft system
1
Before driving
■Alarm operation
The alarm is triggered in the following situations
●A locked door or trunk is opened in any way other than using a wireless remote
contr

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Lexus IS250 2006  Using the audio system / LEXUS 2006 IS350/250 THROUGH APRIL 2006 PROD. OWNERS MANUAL (OM53508U) 54
1-6. Anti-theft system
Theft prevention labels (U.S.A.)
These labels are attached to the
vehicle to reduce vehicle theft
by facilitating the tracing and
recovery of parts from stolen
vehicles. Do n